Upon a 2014 invitation from Toulouse producer Alban Jacques, and with substantial support from Michel Dorbon of Rogue Art, Larry Ochs and Gerald Cleaver ventured - in 2016 — down 50 feet below the surface of the earth into a huge wild cave with very special acoustics, unique air quality, and pitch-black darkness; an engagement with the cave itself; thus a once-in-a-lifetime trio of improvised music.